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FR798323A - Improvements to electromagnetically controlled mercury switches - Google Patents

Improvements to electromagnetically controlled mercury switches

Info

Publication number
FR798323A
FR798323A FR798323DA FR798323A FR 798323 A FR798323 A FR 798323A FR 798323D A FR798323D A FR 798323DA FR 798323 A FR798323 A FR 798323A
Authority
FR
France
Prior art keywords
electromagnetically controlled
mercury switches
controlled mercury
switches
electromagnetically
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Alfredo Cianchi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority claimed from GB184936A external-priority patent/GB472250A/en
Application granted granted Critical
Publication of FR798323A publication Critical patent/FR798323A/en
Priority claimed from GB20946/37A external-priority patent/GB479095A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/18—Switches having at least one liquid contact with level of surface of contact liquid displaced by non-electrical contact-making plunger
FR798323D 1934-11-27 1935-11-26 Improvements to electromagnetically controlled mercury switches Expired FR798323A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2157114X 1934-11-27
GB184936A GB472250A (en) 1936-01-20 1936-01-20 Improvements relating to electro-magnetically operated mercury switches
GB20946/37A GB479095A (en) 1934-11-27 1936-07-28 Improvements relating to mercury or other conducting-liquid switches

Publications (1)

Publication Number Publication Date
FR798323A true FR798323A (en) 1936-05-14

Family

ID=32073893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798323D Expired FR798323A (en) 1934-11-27 1935-11-26 Improvements to electromagnetically controlled mercury switches

Country Status (4)

Country Link
US (2) US2157114A (en)
BE (1) BE412477A (en)
FR (1) FR798323A (en)
GB (1) GB453229A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639775A (en) * 1946-08-14 1953-05-26 William E Hunt Rotative wing aircraft

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457681A (en) * 1946-04-20 1948-12-28 Durakool Inc Time-delay plunger for relays
US2658124A (en) * 1951-11-15 1953-11-03 Durakool Inc Mercury relay
DE1060957B (en) * 1954-05-10 1959-07-09 Eberle & Co Appbau Ges Mercury switch tube with plunger for delayed switch-on and quick switch-off
US2830153A (en) * 1956-12-03 1958-04-08 Durakool Inc Relay plunger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639775A (en) * 1946-08-14 1953-05-26 William E Hunt Rotative wing aircraft

Also Published As

Publication number Publication date
GB453229A (en) 1936-09-01
US2157114A (en) 1939-05-09
BE412477A (en)
US2215543A (en) 1940-09-24

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